{
  "abstract": "Chiral four-spin exchange generates a momentum-dependent magnon spin in a compensated honeycomb antiferromagnet at zero magnetic field. For a Néel vector tilted by an angle $θ_0$ from the layer normal, the interaction contributes to intersublattice magnon pairing already at harmonic order, with an amplitude proportional to $\\cosθ_0\\sin^2θ_0$. Biaxial anisotropy mixes the two longitudinal-spin sectors, producing nonquantized mode spins that are odd in momentum, while a sublattice-exchange relation keeps the magnon energies reciprocal. A temperature gradient then induces a spin density along the Néel axis through a redistribution of magnon occupations. Reversing the four-spin coupling reverses this spin density and the mode spins without changing the magnon energies. MnPS$_3$ motivates the magnetic geometry; realizing the interaction requires a structural modification compatible with the symmetry assumptions of the model.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.07291",
  "author_total": 2,
  "authors": [
    {
      "name": "Bektur Murzaliev"
    },
    {
      "name": "Mikhail Titov"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/2bdkcqg8q808m.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.07291",
  "fulltext_url": null,
  "id": "2bdkcqg8q808m",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.07291",
  "language": null,
  "licence": "LicenseRef-arXiv-nonexclusive-1.0",
  "licence_label": "arXiv licence",
  "licence_source": "article",
  "licence_url": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "cond-mat.str-el"
    ],
    [
      "openalex",
      "3104|Advanced Condensed Matter Physics"
    ]
  ],
  "openalex": "W7220947893",
  "pdf_url": "https://arxiv.org/pdf/2610.07291",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-05",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/2bdkcqg8q808m.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:27:22Z",
      "native_id": "2610.07291",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.07291"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:cond-mat.str-el",
      "subfield": "condensed-matter"
    }
  ],
  "title": "Odd-parity magnon spin polarization from chiral four-spin exchange in a honeycomb antiferromagnet",
  "title_text": "Odd-parity magnon spin polarization from chiral four-spin exchange in a honeycomb antiferromagnet",
  "type": "preprint",
  "updated_at": "2026-10-30T12:27:22Z",
  "url": "https://research.draconitic.com/paper/2bdkcqg8q808m",
  "venue": "arXiv",
  "versions": []
}